Electrophysiological studies of neuromuscular transmission in the rabbit ear artery
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پس ازفروپاشی شوروی،رشد منابع نفت و گاز، آسیای میانه و قفقاز را در یک بازی ژئوپلتیکی انرژی قرار داده است. با در نظر گرفتن این منابع هیدروکربنی، این منطقه به یک میدانجنگ و رقابت تجاری برای بازی های ژئوپلتیکی قدرت های بزرگ جهانی تبدیل شده است. روسیه منطقه را به عنوان حیات خلوت خود تلقی نموده و علاقمند به حفظ حضورش می باشد تا همانند گذشته گاز طبیعی را به وسیله خط لوله مرکزی دریافت و به عنوان یک واس...
15 صفحه اولBiphasic vasoconstriction of the rabbit ear artery.
Sympathetic nerve stimulation and intralummal norepinephrine infusion for more than 15 seconds produced a biphasic response in the isolated rabbit ear artery perfused with RREBS solution. This response consisted of an initial rapid constriction (phase A), which was followed by partial relaxation, and a final slowly developing constriction (phase B), which lasted for the duration of nerve stimul...
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The electrical responses of the smooth muscle cells of the rabbit common carotid artery to extracellular stimulation were studied in isotonic and hypertonic solution (1.7 times normal tonicity) with microelectrodes. No spontaneous electrical or mechanical activity was recorded when the tissue was in either isotonic or hypertonic solution. The voltage-current relation of smooth muscle cells in t...
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The perfused rabbit ear artery shows a biphasic contractile response to intraluminal norepinephrine and sympathetic nerve stimulation. The peak of the first phase occurs after approximately 10 seconds of exposure to NE, and the second, after IK to 2 minutes. The magnitudes of the two responses are similar. The time course of the second phase of contraction is similar to the rate of saturation o...
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The alpha-1L adrenoceptor (AR) was identified in rabbit ear artery by both functional and ligand binding studies. In functional studies using arterial rings, the contractile response to NS-49 [(R)-(-)-3'-(2-amino-1-hydroxyethyl)-4'-fluorometh-anesulfonanilide hydrochloride] (alpha-1A and alpha-1L AR-selective agonist) was competitively antagonized with low affinities by prazosin, RS-17053 [N-[2...
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ژورنال
عنوان ژورنال: Japanese Journal of Pharmacology
سال: 1984
ISSN: 0021-5198
DOI: 10.1016/s0021-5198(19)62779-4